<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      function Goods(name, price, count) {
        this.name = name;
        this.price = price;
        this.count = count;
      }
      const p1 = new Goods("小米", 1999, 20);
      const p2 = new Goods("华为", 3999, 59);
      const p3 = new Goods("vivo", 1888, 100);
      console.log(p1);
      console.log(p2);
      console.log(p3);
    </script>
  </body>
</html>
